Guide sleeve device for rock wall beam excavation drill rod of pumped storage power station

Abstract

The utility model discloses a pumped storage power station rock wall beam excavation drill rod guide sleeve device which comprises a guide sleeve, a drill rod, a connecting plate and a lubricating mechanism, the drill rod penetrates through the guide sleeve, the lubricating mechanism for lubricating the drill rod is installed on the guide sleeve, and the lubricating mechanism comprises a liquid storage cylinder, an annular pipe, a connecting pipe, a valve and a liquid outlet nozzle. The liquid storage cylinder is fixed on the outer side of the guide sleeve, lubricating oil is stored in the liquid storage cylinder, the annular pipe is fixed in the guide sleeve and communicated with the liquid storage cylinder through the connecting pipe, the valve is installed on the connecting pipe, a plurality of liquid outlet nozzles are installed in the annular pipe, outlets of the liquid outlet nozzles face the drill rod, and the diameter of the outlets of the liquid outlet nozzles is 1 mm. The self-lubricating bearing has a self-lubricating function, reduces friction and prolongs the service life.

Description

TECHNICAL FIELD

[0001] The utility model relates to rock drilling machine technical field especially relates to a water storage and power station rock wall beam excavation drill rod guide sleeve device. BACKGROUND

[0002] When building a water storage and power station, a river with a large drop is needed, and the river with a large drop is often distributed in a mountain body. When building, a rock drilling machine is needed to drill a hole in the mountain rock. The drill rod, drill bit and guide sleeve are important components of the rock drilling machine. The drill rod passes through the guide sleeve, the guide sleeve can ensure that the drill rod drills in the predetermined direction and can reduce the friction and wear between the drill rod and the well wall or other equipment. However, the existing guide sleeve lacks self-lubricating function. Since the drill rod moves up and down in the guide sleeve and rubs against it, long-term friction can cause the guide sleeve to be damaged, affecting the service life of the guide sleeve. Therefore, in view of the above status, it is urgent to develop a water storage and power station rock wall beam excavation drill rod guide sleeve device with self-lubricating function, which can reduce friction and improve service life, to overcome the shortcomings in current actual application and meet the current needs. SUMMARY

[0003] The utility model aims at providing a water storage and power station rock wall beam excavation drill rod guide sleeve device to solve the problems in the background art.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A water storage and power station rock wall beam excavation drill rod guide sleeve device, comprising a guide sleeve and a lubricating mechanism; the guide sleeve is sleeved on the outer wall of the drill rod; the lubricating mechanism is arranged on the guide sleeve, and the lubricating mechanism comprises a lubricating oil storage part, a lubricating oil conveying pipe part, a valve and a liquid outlet nozzle; the lubricating oil storage part is installed on the outside of the guide sleeve; the lubricating oil conveying pipe part is installed on the inside of the guide sleeve and communicates with the lubricating oil storage part; the valve is arranged on the lubricating oil conveying pipe part; one end of the liquid outlet nozzle communicates with the lubricating oil conveying pipe part, and the other end of the liquid outlet nozzle points to the outer wall of the drill rod.

[0006] Further, the lubricating oil storage part comprises a liquid storage cylinder, and the liquid storage cylinder is sleeved on the outside of the guide sleeve.

[0007] Further, a detachable plug is arranged at the top of the liquid storage cylinder.

[0008] Further, the lubricating oil conveying pipe part comprises an annular pipe and a connecting pipe; the annular pipe is embedded in the inside of the guide sleeve; the connecting pipe passes through the guide sleeve and connects the annular pipe and the liquid storage cylinder; and the liquid outlet nozzle is connected to the inside of the annular pipe.

[0009] Further, the liquid outlet nozzles are multiple, and the multiple liquid outlet nozzles are distributed along the circumference of the annular pipe.

[0010] Further, the valve is arranged on the connecting pipe.

[0011] Further, the outlet diameter of the liquid outlet nozzle is less than or equal to 2 mm.

[0012] Further, the outlet of the liquid outlet nozzle is in contact with the outer wall of the drill pipe.

[0013] Further, the guide sleeve is fixed with connecting plates on both sides, and the connecting plates are provided with mounting holes.

[0014] The beneficial effects of the present application are as follows: the lubricating mechanism is installed on the guide sleeve sleeved on the outer wall of the drill pipe, the lubricating oil storage part of the lubricating mechanism stores lubricating oil, the lubricating oil is delivered to the liquid outlet nozzle pointing to the outer wall of the drill pipe by the lubricating oil delivery pipe, and the outer wall of the drill pipe is distributed with lubricating oil, so that the friction between the drill pipe and the guide sleeve is reduced, and the service life of the guide sleeve is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the present application.

[0016] Figure 2 It is a partial structure schematic view of the present application Figure 1 .

[0017] Figure 3 It is a partial structure schematic view of the present application Figure 2 .

[0018] Figure 4 It is an internal sectional view of the guide sleeve in the present application.

[0019] LEGEND:

[0020] 1, guide sleeve; 2, drill pipe; 3, connecting plate; 301, mounting hole; 4, lubricating mechanism; 401, liquid storage cylinder; 4011, plug; 402, annular pipe; 403, connecting pipe; 404, valve; 405, liquid outlet nozzle. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] The following specific embodiments are given.

[0023] Referring to Figures 1-4 The utility model discloses a kind of drill rod guide bushing devices of pumped storage power station rock wall beam excavation, including guide sleeve 1, drill rod 2, connecting plate 3 and lubricating mechanism 4, drill rod 2 passes through (drill rod 2 is part of rock drill, rock drill is not drawn in the drawing) from guide sleeve 1, the inside diameter of guide sleeve 1 is same with the diameter of drill rod 2, drill rod 2 is slidably connected with guide sleeve 1, limit drill rod 2 by guide sleeve 1 to make drill rod 2 move along predetermined direction, guide sleeve 1 is made of bearing steel, so that it has good wear resistance, left and right sides of guide sleeve 1 are fixed with one connecting plate 3, mounting hole 301 is provided on connecting plate 3, connecting plate 3 is fixed to rock drill by bolt, so that guide sleeve 1 is fixed with rock drill, lubricating mechanism 4 for lubricating drill rod 2 is installed on guide sleeve 1, lubricating mechanism 4 includes: liquid storage cylinder 401, annular pipe 402, connecting pipe 403, valve 404 and liquid outlet nozzle 405, liquid storage cylinder 401 is fixed to the outside of guide sleeve 1, lubricating oil is stored in liquid storage cylinder 401, plug 4011 is detachably connected on the top of liquid storage cylinder 401 by screw thread, lubricating oil can be supplemented in liquid storage cylinder 401 by removing plug 4011, annular pipe 402 is fixed in guide sleeve 1, annular pipe 402 is communicated with liquid storage cylinder 401 by connecting pipe 403, valve 404 is installed on connecting pipe 403, a plurality of liquid outlet nozzles 405 are installed in annular pipe 402, the outlet of liquid outlet nozzle 405 is against drill rod 2, the outlet diameter of liquid outlet nozzle 405 is 1mm.

[0024] Working principle: when the drill rod 2 of rock drill moves in guide sleeve 1, open valve 404, lubricating oil in liquid storage cylinder 401 enters into annular pipe 402 through connecting pipe 403, lubricating oil is discharged from liquid outlet nozzle 405 and contacts with drill rod 2, distribute lubricating oil in guide sleeve 1 by up and down movement of drill rod 2, so as to reduce the friction between drill rod 2 and guide sleeve 1, improve the service life of guide sleeve 1.

[0025] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art, according to the technical scheme and the utility model concept of the utility model, makes equivalent replacement or change within the technical range disclosed by the utility model, should be covered in the protection scope of the utility model.

Claims

1. A guide sleeve device for drill rods used in excavation of rock face beams for pumped storage power stations, characterized in that, The system includes a guide sleeve and a lubrication mechanism. The guide sleeve is fitted onto the outer wall of the drill pipe. The lubrication mechanism is disposed on the guide sleeve and includes a lubricating oil storage device, a lubricating oil delivery pipe, a valve, and a liquid outlet. The lubricating oil storage device is installed on the outside of the guide sleeve. The lubricating oil delivery pipe is installed on the inside of the guide sleeve and communicates with the lubricating oil storage device. The valve is disposed on the lubricating oil delivery pipe. One end of the liquid outlet communicates with the lubricating oil delivery pipe, and the other end of the liquid outlet points towards the outer wall of the drill pipe.

2. The guide sleeve device for drilling rods in rock face beam excavation of a pumped storage power station according to claim 1, characterized in that, The lubricating oil storage device includes a reservoir, which is fitted onto the outside of the guide sleeve.

3. The guide sleeve device for drilling rods in rock face beam excavation of a pumped storage power station according to claim 2, characterized in that, The top of the liquid storage cylinder is equipped with a removable plug.

4. The guide sleeve device for drilling rods in rock face beam excavation of a pumped storage power station according to claim 2, characterized in that, The lubricating oil delivery pipe includes an annular pipe and a connecting pipe; the annular pipe is embedded inside the guide sleeve; the connecting pipe passes through the guide sleeve and connects the annular pipe and the liquid storage cylinder; the liquid outlet is connected to the inside of the annular pipe.

5. The guide sleeve device for drilling rods in rock face beam excavation of a pumped storage power station according to claim 4, characterized in that, There are multiple liquid outlets, which are distributed at intervals along the circumference of the annular tube.

6. The guide sleeve device for drilling rods in rock face beam excavation of a pumped storage power station according to claim 4, characterized in that, The valve is installed on the connecting pipe.

7. The guide sleeve device for drilling rods in rock face beam excavation of a pumped storage power station according to claim 1, characterized in that, The outlet diameter of the liquid outlet is less than or equal to 2 mm.

8. The guide sleeve device for drilling rods in rock face beam excavation of a pumped storage power station according to claim 1, characterized in that, The outlet of the liquid outlet is in contact with the outer wall of the drill pipe.

9. A guide sleeve device for drilling rods used in excavation of rock face beams for pumped storage power stations according to claim 1, characterized in that, Connecting plates are fixed on both sides of the guide sleeve, and mounting holes are provided on the connecting plates.

Images